Bohr effect and rightward shifts — Flashcards

Flashcard 1: Carboxyhemoglobin causes _____ O2-binding capacity

Answer: decreased

Flashcard 2: Blood in the umbilical vein has a Po2 of approximately _____ mmHg

Answer: 30

Flashcard 3: One way in which CO2 is carried in the blood is bound to hemoglobin, known as _____ (5%)

Answer: carbaminohemoglobin (HbCO2)

Flashcard 4: The majority of CO2 transported in blood is in the form of _____ (90%)

Answer: HCO3- (bicarbonate)

Flashcard 5: The _____ of the oxygen-Hb dissociation curve is the Po2 at which hemoglobin is 50% saturated

Answer: P50

Flashcard 6: Increased pCO2 and resulting decrease of pH enhancing the release of O2 from hemoglobin is called the _____ effect

Answer: Bohr

Flashcard 7: What is the secondary regulator of cerebral perfusion?

Answer: PO2 - only takes effect during severe hypoxia

Flashcard 8: What is the primary regulator of cerebral perfusion?

Answer: PCO2

Flashcard 9: How long can the brain withstand hypoxia before sustaining irreversible damage?

Answer: 5 minutes

Flashcard 10: In the _____, HCO3- enters the red blood cells in exchange for Cl-

Answer: lungs

Extra:  Watch associated Bootcamp video [https://app.bootcamp.com/med-school/pulmonology/videos/blood?index=12] https://onlinemeded.org?ref=anki